var t;
function hien_hinh(type,ojb){
	clearTimeout(t);
	if(type == 'select_hn'){
		document.getElementById('img_hn').className="hover_hn";
		for (i=1; i<4; i++){
			var searchIn="Search"+i;
			document.getElementById(searchIn).style.display = 'none';
		}
		document.getElementById('Search2').style.display = 'block';
	}
	else
		document.getElementById('img_hn').className="hover_hn01";
	if(type == 'select_hcm'){
		document.getElementById('img_hcm').className="hover_hcm";
		for (i=1; i<4; i++){
			var searchIn2="Search"+i;
			document.getElementById(searchIn2).style.display = 'none';
		}
		document.getElementById('Search3').style.display = 'block';
	}
	else
		document.getElementById('img_hcm').className="hover_hcm01"
}
function move_out(){
		for (i=1; i<4; i++){
			var searchIn3="Search"+i;
			document.getElementById(searchIn3).style.display = 'none';
		}
		document.getElementById('Search1').style.display = 'block';
		document.getElementById('img_hn').className="hover_hn01";
		document.getElementById('img_hcm').className="hover_hcm01";	
	}
function no_hien_hinh(){
	t = setTimeout('move_out()',2000);
}
